ZN73D Indoor AC High Voltage Vacuum Circuit Breaker
| Min. Order: | 1 Set/Sets |
|---|---|
| Trade Term: | FOB,CFR,CIF,EXW |
| Payment Terms: | Paypal, L/C, T/T, WU |
| Supply Ability: | 100000 |
| Place of Origin: | Yunnan |
Company Profile
| Location: | Kunming, Yunnan, China (Mainland) |
|---|---|
| Business Type: | Manufacturer |
Product Detail
| Model No.: | ZN73D-12 |
|---|---|
| Means of Transport: | Ocean, Land |
| Brand Name: | Nanyue |
| Production Capacity: | 100000 |
| Packing: | Export Standard package |
| Delivery Date: | Delivery in 5 work days after payment |
Product Description
ZN73D-12 Model indoor AC high-voltage vacuum circuit breaker is a type of indoor HV switchgear of rated voltage 7.2-12kV, three-phase AC 50/60Hz. The VCB conforms to GB/T 1984 High voltage AC vacuum circuit br eaker,JB3855 3.6-40.5kV indoor AC HV vacuum circuit breaker and IEC62271-100 standard. The VCB can operate frequently with good on-off capability and fast reclose capability. The VCB structure is separate into two parts thatcan either steadily installed or fabricated on the chassis frame as a separate handcart
Ambient condition
1. Altitude: 1000m;
2. Ambient temperature: 25 ~+40 ;
3. Relative humidity: daily average 95 , monthly average 90 ;
4. Earthquake intensity: 8 degree;
5. Applicable occasions should free from inflammables, explosives, corrosives
and severe vibration
Product feature
1. Holistic structure
2. Sealed spark chamber
3. Effective vacuum arc-extinguish
4. Good mechanical behavior
5. Various mounting approach
| no. | item | unit | data | ||||
| 1 | 2 | 3 | 4 | 5 | |||
| 1 | rated voltage | kv | 12 | 12 | 12 | 40.5 | 40.5 |
| 2 | rated current | A | 1250 | 1600 | 2000 | 1600 | 2000 |
| 3 | rated short circuit breaking current | KA | 31.5 | 31.5 | 31.5 | 25 | 31.5 |
| 4 | Dynamic and stable current (peak) | KA | 100 | 100 | 100 | 80 | 100 |
| 5 | Thermal stability of 4 s current 50 ka (3 s) | KA | 31.5 | 31.5 | 31.5 | 25 | 25 |
| 6 | The rated short circuit close current (peak value) | KA | 100 | 100 | 100 | 80 | 80 |
| 7 | Rated short circuit breaking current times | TIME | 50 | 30 | |||